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प्रश्न
What do you mean by the gravitational force? Give an example to illustrate it.
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उत्तर
The force of attraction on a body by the Earth is called gravitational force.
Example: The leaves and fruits fall from a tree downwards towards the ground, water in a river flows down streams, a ball thrown up goes to a height, and then returns back on the ground are some examples of motion due to gravitational force
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संबंधित प्रश्न
Give two examples of situations in which you push to change the state of motion of objects.
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While the arrow moves towards its target, the forces acting on it are due to ______ and that due to ______ of air.
Fill in the blank.
On pulling a string, its .................. increases.
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Fill in the blank.
Magnetic force is a ................ force.
Match the following.
| Column A | Column B |
| 1. Non-contact forces | a. perpendicular to surface |
| 2. Catapult | b. an act of push or pull |
| 3. Force | c. unit of force |
| 4. Normal force | d. action-at-a-distance forces |
| 5. Newton | e. contact force |
State if the following statement is true or false. Correct the statement if it is false.
It is possible that a force applied to an object may not bring any change in it.
Answer the following in detail.
Differentiate between contract and non-contract force. Support your answer with suitable examples.
Can you identify whether it is push or pull that results in motion in the following cases?
 |
 |
 |
| Push / Pull | Push / Pull | Push / Pull |
 |
 |
 |
| Push / Pull | Push / Pull | Push / Pull |
A goalkeeper in a game of football pulls his hands backwards after holding the ball shot at the goal. This enables the goalkeeper to
